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Microsoft has updated Windows 10 with AAC support to enhance Bluetooth audio

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Microsoft enhances the Bluetooth audio experience in Windows 10 by providing support for Advanced Audio Codec (AAC). This will allow users to get better sound from Bluetooth headphones and speakers that support the AAC codec. Redmond also offers a unified audio endpoint for Windows 10 to offer a seamless interface when connected to multiple audio devices. Windows 10 also gets a fix for annoying application rearrangements when using multiple monitors. The problem has affected a large number of users who often work in a multi-screen environment.

From a long time, Windows supports Bluetooth Sub-band Coding (SBC) and AptX formats via Bluetooth. This limits manufacturers from providing a full audio experience with their headphones available for Windows 10 devices.

However, as online music streaming becomes a trend these days, Microsoft seems to have decided to start supporting the AAC codec itself Windows 10. The codec is specifically designed to deliver high quality audio streaming in smaller files.

The move to adopting AAC by default would allow companies, including Apple, to start paying some attention to the Windows user base as they design new software and hardware. In 2019, the company from Cupertino, which is one of the first adopters and promoters of AAC, replace your iTunes with dedicated Podcasts,, Apple TV, and Apple Music macOS applications. However, it did not introduce this change for Windows users who still have the iTunes app as the primary solution for streaming audio from Apple services.

In addition to AAC support, Microsoft is introducing a unified audio endpoint in Windows 10 to improve the way you select Bluetooth inputs on your computer.

“You will no longer click through multiple audio endpoints to make the voice and microphone of your Bluetooth headset work properly,” the company said. wrote in a blog post. “Now we only expose one audio endpoint in the user interface and we will automatically switch to the right one for you for a seamless experience.”

The change will essentially allow the system to switch from one audio source to another. This, for example, will help you control the volume of your headphones without switching profiles manually when you receive a call from Teams while listening to music via Spotify or other audio applications.

Windows 10 moves from its existing multiple audio endpoints (left) to a unified audio endpoint (right)
Photo: Microsoft

Support for AAC and the unified audio endpoint were initially provided for testing Windows Insiders through Windows 10 Insider Preview Build 21370. However, it is expected to be available to all Windows 10 users through a major update later this year.

Microsoft is also addressing the issue of Windows 10 users, where applications unexpectedly rearrange on external monitors when you wake your computer from sleep. This frustrating problem is described by the company as Rapid Hot Plug Detect (Rapid HPD) and affects most users almost every time the system falls asleep.

“This behavior affects DisplayPort settings for multiple monitors, resulting in unwanted desktop rearrangements,” the company said. explains in a developer post.

Microsoft tried to solve the problem by softening the desktop rearrangement when Rapid HPD occurred. It is currently available for Windows users who are compiling 21287 or later. However, the fix is ​​expected to be part of the next major update to Windows 10 later this year.

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